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עמוד בית
Mon, 25.11.24

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October 2005
O. Nissim, M. Bakon, B. Ben Zeev, E. Goshen, N. Knoller, M. Hadani and Z. Feldman.
 Moyamoya disease is a cerebral vasculopathy characterized mainly by progressive narrowing of the major intracranial vessels. While more common and having a familial predilection in the Far East, it can also develop in association with some common hereditary diseases and can be acquired after environmental exposure. In the young its manifestations are the result of cerebral ischemia. Adults usually suffer from repeated incidents of intracerebral hemorrhage. Surgical revascularization of ischemic cerebral territories plays a major role in their treatment. We review the literature and present our series of three adult and five pediatric patients; these patients were diagnosed at our institution and treated with indirect revascularization techniques.

 

N. Boulman, M. Rozenbaum, G. Slobodin and I. Rosner
September 2005
N. Tweezer-Zaks, I. Marai, A. Livneh, I. Bank and P. Langevitz
 Background: Benign prostatic hypertrophy is the most common benign tumor in males, resulting in prostatectomy in 20–30% of men who live to the age of 80. There are no data on the association of prostatectomy with autoimmune phenomena in the English-language medical literature.

Objectives: To report our experience with three patients who developed autoimmune disease following prostatectomy.

Patients: Three patients presented with autoimmune phenomenon soon after a prostectomy for BPH[1] or prostatic carcinoma: one had clinically diagnosed temporal arteritis, one had leukocytoclastic vasculitis, and the third patient developed sensory Guillian-Barré syndrome following prostatectomy.

Conclusions: In view of the temporal association between the removal of the prostate gland and the autoimmune process, combined with previously known immunohistologic features of BPH, a cause-effect relationship probably exists.

________________

[1] BPH = benign prostatic hypertrophy

M. Attia, J. Menhel, D. Alezra, R. Pffefer and R. Spiegelmann
E. Kaluski, N. Uriel, O. Milo and G. Cotter
 Although 40 years have passed since the advent of advanced cardiac life support, out-of-hospital cardiac arrest still carries an ultimate failure rate of 95%. This review reinforces the importance of public education, optimization of the local chain of survival, early bystander access and bystander basic life support, and early defibrillation. It emphasizes the role of simplified basic life support algorithms and demonstrates the low incremental benefit of complex skillful protocols employed in ACLS[1]. The impact of automatic external defibrillators and new medications incorporated into ACLS algorithms is evaluated in the light of contemporary research. The persistent, discouraging, low functional survival rate (less than 5% of out-of-hospital cardiac arrest victims) mandates reassessment of current strategies and guidelines.

_________________

[1] ACLS = advanced cardiac life support

 
M. Oberbaum, J. Shuval, A. Haramati, S.R Singer, J. Halevi, M.D Lumpkin and R. Carmi
August 2005
I. Klaz, Y. Wohl, N. Nathansohn, N. Yerushalmi, S. Sharvit, I. Kochba and S. Brenner
 Background: The Israel Defense Forces implemented a pilot teledermatology service in primary clinics.

Objectives: To assess user satisfaction and clinical short-term effectiveness of a computerized store and forward teledermatology service in urban and rural units.

Methods: A multi-center, prospective, uncontrolled, cohort pilot trial was conducted for a period of 6 months. Primary care physicians referred patients to a board-certified dermatologist using text email accompanied by digital photographs. Diagnosis, therapy and management were sent back to the referring PCP[1]. Patients were asked to evaluate the level of the CSAFTD[2] service, effect of the service on accessibility to dermatologists, respect for privacy, availability of drugs, health improvement and overall satisfaction. PCPs assessed the quality of the teledermatology consultations they received, the contribution to their knowledge, and their overall satisfaction.

Results: Tele-diagnosis alone was possible for 95% (n=413) of 435 CSAFTD referrals; 22% (n=95) of referrals also required face-to-face consultation. Satisfaction with CSAFTD was high among patients in both rural and urban clinics, with significantly higher scores in rural units. Rural patients rated the level of service, accessibility and overall satisfaction higher than did urban patients. PCPs were satisfied with the quality of the service and its contribution to their knowledge. Rural physicians rated level of service and overall satisfaction higher than the urban physicians. Tele-referrals were completed more efficiently than referral for face-to-face appointments.

Conclusions: CSAFTD provided efficient, high quality medical service to rural and urban military clinics in the IDF[3].


 



[1] PCP = primary care physician

[2] CSAFTD = computerized store and forward teledermatology

[3] IDF = Israel Defense Force



 
R. Fedakar, N. Turkmen, D. Durak, and U.N. Gundogmus
 Background: Despite many published retrospective analyses on cardiac injuries in treated patients, there is a striking scarcity of population-based studies that include autopsies.

Objectives: To provide data on fatal traumatic heart wounds in autopsied cases.

Methods: We reviewed 2,487 medico-legal autopsy records of the morgue department of the Bursa branch of the Turkish Council of Forensic Medicine for the period 1997–2001.

Results: Of these cases, 160 (6.4%) had cardiac injury; 13.8% were females and 86.2% males, and the mean age was 35.9 years old (range 4–65). The most common cause of heart wounds was penetrating trauma (87.5%), namely sharp injuries (48.1%) and firearm injuries (39.4%). The two most common causes of blunt heart wounds were traffic accidents (5.6%) and falls from a height (5%). Rupture was present in 96.9% of the cases, and isolated left ventricle and isolated right ventricle were ruptured in 31.3% and 23.8%, respectively. In penetrating injury the risk of ventricle rupture was higher than of atrium rupture. Alcohol was detected in 16.3% of cases. Only 3.5% of the penetrating cardiac injury cases and 5% of the blunt cardiac injury cases were admitted to hospital.

Conclusions: Given that only a very low percentage of the patients who sustain cardiac injury reach hospital alive, population-based studies, especially autopsy results, should be conducted to define the characteristics of cardiac injuries.

D. Schwartz
 Background: Many emergency departments use coagulation studies in the evaluation of patients with suspected acute coronary syndromes.

Objectives: To determine the prevalence of abnormal coagulation studies in ED[1] patients evaluated for suspected ACS[2], and to investigate whether abnormal international normalized ratio/partial thromboplastin time testing resulted in changes in patient management and whether abnormal results could be predicted by history and physical examination.

Methods: In this retrospective observational study, hospital and ED records were obtained for all patients with a diagnosis of ACS seen in the ED during a 3 month period. ED records were reviewed to identify all patients in whom the cardiac laboratory panel was performed. Other data included demographics, diagnosis and disposition, historical risk factors for abnormalities of coagulation, ED and inpatient management, INR[3]/PTT[4], platelet count and cardiac enzymes. Descriptive statistical analyses were performed.

Results: Complete data were available for 223 of the 227 patients (98.7%). Of these, 175 (78.5%) patients were admitted. The mean age was 64.2 years. Thirteen patients (5.8%) were diagnosed with acute myocardial infarction. Of the 223 patients, 29 (13%) and 23 (10%) had INR and PTT results respectively beyond the reference range. Seventy percent of patients with abnormal coagulation test results had risk factors for coagulation disorders. The abnormal results of the remaining patients included only a mild elevation and therefore no change in management was initiated.

Conclusions: Abnormal coagulation test results in patients presenting with suspected ACS are rare, they can usually be predicted by history, and they rarely affect management. Routine coagulation studies are not indicated in these patients.


 


[1] ED = emergency department

[2] ACS = acute coronary syndromes

[3] INR = international normalized ratio

[4] PTT = partial thromboplastin time


E. Tamir, M. Heim and I. Siev-Ner
 Background: Neuropathic plantar ulceration of the foot is treated by de-loading the ulcer. The total contact cast is considered to be the gold standard, but it is a labor-intensive procedure and frequent cast changes are needed.

Objectives: To describe an alternative de-loading method using a fiberglass removable walking cast.

Methods: This prospective uncontrolled study comprised 24 diabetic and non-diabetic patients with a single planter neuropathic ulcer. Exclusion criteria included the presence of osteomyelitis or cellulites, peripheral vascular disease, severe foot or leg edema, more than one ulcer on the treated foot, ulcers on the other foot, visual problems, gait instability, and personality or psychiatric problems. All patients were treated with the removable fiberglass de-loading cast. At each weekly follow-up visit the cast was removed. Data were collected using a clinical report form.

Results: The ulcer healed completely in 21 of the 24 patients treated (87.5%). The mean time for healing was 6.8 weeks (range 3–20 weeks, SD = 4.2). New ulcers developed in six patients (25% of the group).

Conclusions: The effectiveness and safety of the method is comparable to that of the total contact cast, but is less labor intensive because the cast is manufactured only once and serves for the whole length of treatment. Improving the technique is expected to lower the complication rate.

Y. Niv
 Colorectal cancers develop as a consequence of genomic instability. Microsatellite instability is involved in the genesis of about 15% of sporadic colorectal cancers and in most hereditary non-polyposis cancers. High frequency MSI[1] has been associated with a favorable prognosis, however it is not clear whether this is because MSI-H[2] tumors are inherently less aggressive or because they are more sensitive to chemotherapy. Chemotherapy with a combination of 5-fluorouracil and leukovorin or levamizole has been the standard of care for high risk stage II and stage III CRC[3]; it is also used in stage IV CRC. Several in vitro studies have shown that colon cancer cell lines displaying MSI-H are less responsive to fluorouracil than microsatellite-stable cell lines. Human studies, all of them retrospective, yielded conflicting results. The selection of patients with CRC for 5-FU[4] treatment has been based so far on the stage of tumor rather than the biology of the tumor. Although surgical staging is highly predictive of survival, there are indications that the form of genomic instability within a patient’s colorectal tumor has clinical implications, with and without 5-FU treatment. This review suggests that patients with MSI-H colorectal tumors may not benefit from 5-FU-based chemotherapy and can avoid its potential side effects (nausea, diarrhea, stomatitis, dermatitis, alopecia, and neurologic symptoms) that occur in half the treated patients. If confirmed by future prospective randomized controlled studies, these findings would indicate that microsatellite-instability testing should be conducted routinely and the results used to direct rational adjuvant chemotherapy in colon cancer.


 


[1] MSI = microsatellite instability

[2] MSI-H - high frequency MSI

[3] CRC = colorectal cancer

[4] 5-FU = 5-fluorouracil


A. Balbir-Gurman, D. Markovits, A.M. Nahir, A. Rozin and Y. Braun-Moscovici
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